var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var bodyParser = require("body-parser");
const cors = require('cors')

var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var homeRouter = require('./routes/home');
var loginRouter = require('./routes/login');
var registerRouter = require('./routes/register');

var app = express();

//允许跨域请求
app.all('*',function(req,res,next){
  res.header("Access-Control-Allow-Origin","http://localhost:8080");
  res.header("Access-Control-Allow-Headers","X-Requested-With,Content-Type,authorization");
  res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
  next();
})


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(express.json());
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended:false}));

app.use('/', indexRouter);
app.use('/users', usersRouter);
app.use('/home',homeRouter);
app.use('/login',loginRouter);
app.use('/register',registerRouter);


// catch 404 and forward to error handler
// app.use(function(req, res, next) {
//   next(createError(404));
// });

// error handler
app.use(function(err, req, res, next) {
  // set locals, only providing error in development
  res.locals.message = err.message;
  res.locals.error = req.app.get('env') === 'development' ? err : {};

  // render the error page
  res.status(err.status || 500);
  res.render('error');
});


module.exports = app;
